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An element - Xhas the following isotopiccomposition: 200X: 199 %90X: 202 %8.0X: %2.0 Theweighted average atomic mass of the naturallyoccuring element Xis closest to [2007]

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An element - Xhas the following isotopiccomposition: 200X: 199 %90X: 202 %8.0X: %2.0 Theweighted average atomic mass of the naturallyoccuring element Xis closest to [2007]






 
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